Re: Xinetd and file descriptor limits?

Thanks for the detailed reply.  See inline comments/questions below.

Steve G said:
> I also think there is another limit settable by sysctl. If you
> get past this, I think xinetd only requests 1024 descriptors. You
> would need to tweek it to set the rlimit higher for the per
> process limit.

Can you provide any guidance on tweaking the rlimit?  I can grok new
things pretty well, but a starting point is always handy.

>>How is the output of '-d' captured for review?
>
> I startup x and look at it though a terminal window after setting
> the number of lines for it to buffer.

Ah, ok.
>
>>I suspect I am hitting the system or user default of 1024 file
>>descriptors, but I am curious why that number (1024) doesn't
>>quite match the number of services successfully started, 1016.
>
> xinetd uses a couple for internal messaging, stdin,stdout,stderr
> are all set to /dev/null and then glibc also leaks descriptors in
> pmap_set, and then error logging.

So that's a reasonable number.  Good.
>
> Take a look in init.c. Look for setfd_limit(). You may want to
> tweek that function to request more descriptors.

I took a look at init.c and saw the function, but must admit I haven't any
idea how to tweak it.  I don't see where it gets it value(s) - from one of
the includes?

-- 
John Minnihan
Founder & Chief Architect
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